filespecutils.h
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- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: filespecutils.h,v 1.4.32.4 2004/07/09 01:44:45 hubbe Exp $
- *
- * Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file,
- * are subject to the current version of the RealNetworks Public
- * Source License (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the current version of the RealNetworks Community
- * Source License (the "RCSL") available at
- * http://www.helixcommunity.org/content/rcsl, in which case the RCSL
- * will apply. You may also obtain the license terms directly from
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- * This file is part of the Helix DNA Technology. RealNetworks is the
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- * ***** END LICENSE BLOCK ***** */
- #ifndef FILESPECUTILS_H
- #define FILESPECUTILS_H
- #include "hxstring.h"
- #include "hxbuffer.h"
- #include "filespec.h"
- class CHXFileSpecUtils
- {
-
- public:
- // disk utilities
- static HX_RESULT GetFreeSpaceOnDisk(const CHXDirSpecifier& volSpec, INT64& freeSpace);
- static HX_RESULT GetTotalSpaceOnDisk(const CHXDirSpecifier& volSpec, INT64& totalSpace);
- static BOOL IsDiskEjectable(const CHXDirSpecifier& volSpec);
- static BOOL IsDiskWritable(const CHXDirSpecifier& volSpec);
- // IsLocal returns TRUE if the file or directory is on a local volume
- // (not on a server)
- static BOOL IsDiskLocal(const CHXDirSpecifier& volSpec);
- // file/dir utilities
- static HX_RESULT GetFileSize(const CHXFileSpecifier& fileSpec, INT64& fSize);
- static HX_RESULT GetDirectorySize(const CHXDirSpecifier& dirSpec, BOOL shouldDescend, INT64& fSize);
-
- static BOOL FileExists(const CHXFileSpecifier& fileSpec); // returns TRUE only if exists & is a file
- static BOOL DirectoryExists(const CHXDirSpecifier& dirSpec); // returns TRUE only if exists & is a directory
-
- static HX_RESULT CreateDir(const CHXDirSpecifier& dirSpec);
- static HX_RESULT RemoveDir(const CHXDirSpecifier& dirSpec); // deletes an empty directory
- static HX_RESULT RemoveFile(const CHXFileSpecifier& fileSpec);
-
- #if defined(_MACINTOSH) || defined(_MAC_UNIX)
- // these should be implemented on other platforms too, eventually
- static HX_RESULT MakeFileReadOnly(const CHXFileSpecifier& fileSpec);
- static HX_RESULT MakeFileNotReadOnly(const CHXFileSpecifier& fileSpec);
- #endif
-
- #if defined(_MACINTOSH) || defined(_MAC_UNIX) || defined(_UNIX)
- static HX_RESULT RenameMoveFile(CHXFileSpecifier& fileSpec, const char* pNewNameIfAny, const CHXDirSpecifier* pNewDirectoryIfAny);
- #endif
-
- // file read & write
- //
- // on Mac, the file spec may be updated when the file is written out, so it's not a const parameter
-
- static HX_RESULT ReadTextFile(const CHXFileSpecifier& fileSpec, CHXString& outStr);
- static HX_RESULT ReadBinaryFile(const CHXFileSpecifier& fileSpec, IHXBuffer*& pOutBuffer);
-
- static HX_RESULT WriteTextFile(CHXFileSpecifier& fileSpec, const CHXString& inStr, BOOL bReplaceExistingFile);
- static HX_RESULT WriteBinaryFile(CHXFileSpecifier& fileSpec, IHXBuffer* inBuffer, BOOL bReplaceExistingFile);
-
- // unique file name utilities
- //
- // These returns a file spec with a unique filename in the specified directory
- //
- // pszTemplate is of the form "filenameWILDCARD.ext", with the wildcard to
- // be replaced by a 1-4 digit number greater than or equal to 2
- // For example, "MyFile%%.txt" with the wildcard "%%" can become MyFile2.txt
- //
- // GetUniqueFileSpec checks if pszNameFirst is available and uses that; if the name
- // is not available, it substitutes 2, 3, 4, etc. for the wildcard in the template
- // to create a unique name.
- // For example: pszNameFirst="MyFile.txt" pszTemplate="MyFile_%%.txt" pszWildcard="%%"
- //
- // GetUniqueTempFileSpec tries with a random number initially, and increments that
- // number until it has a unique name
- //
- // Note: all of these strings should come from resources to enable localizers to
- // customize the creation of file names
-
- static CHXFileSpecifier GetUniqueFileSpec(const CHXDirSpecifier& locationSpec,
- const char *pszNameFirst,
- const char *pszTemplate, const char *pszWildcard);
-
- static CHXFileSpecifier GetUniqueTempFileSpec(const CHXDirSpecifier& locationSpec,
- const char *pszTemplate, const char *pszWildcard);
-
- // temporary directory
-
- static CHXDirSpecifier GetSystemTempDirectory(void);
- // replace any illegal file/dir name characters; returns true if a change was made
- static BOOL MakeNameLegal(char *pszName);
- // application utilities
-
- static CHXFileSpecifier GetCurrentApplication(void);
- static CHXDirSpecifier GetCurrentApplicationDir(void);
- static CHXDirSpecifier GetAppDataDir(const char* szAppName);
- // Macintosh-specific utilities
- #if defined(_MACINTOSH) || defined(_MAC_UNIX)
- static FOURCC GetFileType(const CHXFileSpecifier& fileSpec);
- static CHXDirSpecifier MacFindFolder(short vRefNum, FolderType foldType);
- static CHXFileSpecifier SpecifyFileWithMacFindFolder(short vRefNum, FolderType foldType, const char *pszChildFile);
- static CHXDirSpecifier SpecifyFolderWithMacFindFolder(short vRefNum, FolderType foldType, const char *pszChildFolder);
-
- // Resolve will change the specifiers in place if they happened to point
- // to an alias file
- static HX_RESULT ResolveFileSpecifierAlias(CHXFileSpecifier& fileSpec);
- static HX_RESULT ResolveDirSpecifierAlias(CHXDirSpecifier& dirSpec);
- // MoveFileToTrash, MoveFolderToTrash
-
- // These move the file to the trash if possible, or else delete the file.
-
- static HX_RESULT MoveFileToTrash(const CHXFileSpecifier& fileSpec);
- static HX_RESULT MoveFolderToTrash(const CHXDirSpecifier& dirSpec);
-
- // MoveFileToCleaupAtStartup, MoveFolderToCleaupAtStartup
-
- // These move the file to the trash if possible, or else delete the file.
- // Non-const version updates the specifier after the file is moved
-
- static HX_RESULT MoveFileToCleanupAtStartup(const CHXFileSpecifier& fileSpec, BOOL bDeleteIfCantMove = TRUE);
- static HX_RESULT MoveFolderToCleanupAtStartup(const CHXDirSpecifier& dirSpec, BOOL bDeleteIfCantMove = TRUE);
- static HX_RESULT MoveFileToCleanupAtStartup(CHXFileSpecifier& fileSpec, BOOL bDeleteIfCantMove = TRUE);
- static HX_RESULT MoveFolderToCleanupAtStartup(CHXDirSpecifier& dirSpec, BOOL bDeleteIfCantMove = TRUE);
-
- // MoveFileToFolderWithRenaming, MoveFolderToFolderWithRenaming
-
- // These move the item to the target folder, renaming the item if necessary. For example,
- // if the file is called "filename" and the destination already has a "filename", the file
- // is renamed "filename_2".
-
- static HX_RESULT MoveFileToFolderWithRenaming(CHXFileSpecifier& fileSpec, const CHXDirSpecifier& targetSpec, BOOL bDeleteIfCantMove);
- static HX_RESULT MoveFolderToFolderWithRenaming(CHXDirSpecifier& dirSpec, const CHXDirSpecifier& targetSpec, BOOL bDeleteIfCantMove);
- #ifdef _DEBUG
- static void TestMacFileSpecUtils();
- #endif
- #endif // _MACINTOSH
- };
- #endif // FILESPECUTILS_H